315031220066 has 8 divisors (see below), whose sum is σ = 472632468480. Its totient is φ = 157487063908.

The previous prime is 315031220057. The next prime is 315031220081. The reversal of 315031220066 is 660022130513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14259266 + ... + 14281341.

It is an arithmetic number, because the mean of its divisors is an integer number (59079058560).

Almost surely, 2^315031220066 is an apocalyptic number.

315031220066 is a deficient number, since it is larger than the sum of its proper divisors (157601248414).

315031220066 is a wasteful number, since it uses less digits than its factorization.

315031220066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28546128.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 315031220066 its reverse (660022130513), we get a palindrome (975053350579).

The spelling of 315031220066 in words is "three hundred fifteen billion, thirty-one million, two hundred twenty thousand, sixty-six".